Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571311 | Apparatus for introducing a process gas into a treatment chamber | William B. Ferguson, Gerald E. Bresowar | 1986-02-18 |
| 4514888 | Apparatus for installing a tension coil spring | — | 1985-05-07 |
| 4303424 | Filter bag apparatus having an improved fabric filter bag tensioning apparatus | — | 1981-12-01 |